Introduction to Chen Shixiong 👋 Programmer Chen Shixiong, a popular Bilibili content creator, teaches in a clear and concise manner. 🚀 Previously worked as a senior backend developer at a leading company. 💻 Proficient in multiple languages including Java, Python, and JavaScript, with a long-term focus on reverse engineering, web scraping, and practical backend development. … Read more
The company is working on a small national encryption gateway project and does not want to use a computer-based host. It needs to support browser access. The gateway configuration involves parameters such as IP address and subnet mask, as shown in the figure below. To meet the robustness requirements of the program, it is necessary … Read more
Introduction Recently, while developing mobile H5 applications, the homepage requires loading many resources, and a Lottie animation needs to request over 70 images. However, we encountered limitations on the number of concurrent requests in Android WebView, resulting in some image requests failing. Of course, image resources can be loaded lazily and preloaded to alleviate issues … Read more
Click on the above “Beginner Learning Vision”, select to add “Star” or “Top” Essential information delivered promptly 1C Language – The Source of EverythingDifficulty: ★★★ Popularity: ★★★★★ The C language is a general-purpose imperative programming language that supports structured programming, lexical variable scope, and recursion. It is also a static type system that can prevent … Read more
console.trace() is a very practical debugging tool that clearly displays the call stack information, helping developers quickly trace the execution path of the code and the function call chain. In real business scenarios, the use of console.trace() mainly focuses on problem troubleshooting and debugging work. Below are some typical real business usage scenarios, along with … Read more
📌 Summary Tired of the cumbersome syntax of the fetch API? Today, we introduce the wretch framework, a lightweight HTTP client of only 7KB that can perform all request operations with the most elegant syntax! Whether for React/Vue projects or Node.js backends, complex request processes can be achieved in just 3 lines of code, making … Read more
As someone who is passionate about gathering information from the internet, I always want to download useful content I find online for study. For instance, I am particularly interested in technology, and I often convert excellent posts into my own use. Recently, I wanted to learn about plt in Python. I found an article online … Read more
Writing web scrapers? JS: I control everything you see, why use Python? When it comes to writing web scrapers, people often first choose Python. However, when faced with highly dynamic modern web pages, traditional Python scrapers can sometimes feel overwhelmed. JS: I control everything you see JavaScript has absolute dominance in the browser because it … Read more
01Introduction: Let’s start with the correct code. We will use a six-byte array for testing: [0x0a, 0x03, 0x02, 0x00, 0x00, 0x16]. 02Function and Results 1. Function // Example with 0a 03 02 00 00 16 var buffer = [0x0a, 0x03, 0x02, 0x00, 0x00,0x16]; // Call the function to calculate the CRC checksum var crc = … Read more
With so many programming languages like Python, C++, and C, how should I choose? There is no “best” language, only the “most suitable” one. The choice depends on what you want to do (Web, App, data analysis, system development?), the difficulty of learning, community resources, and personal interest. Beginners should prioritize languages that are syntax-friendly, … Read more